API Docs for: 0.6.1
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File: src/shapes/Shape.js

module.exports = Shape;

var Shape = require('./Shape');
var Vec3 = require('../math/Vec3');
var Quaternion = require('../math/Quaternion');
var Material = require('../material/Material');

/**
 * Base class for shapes
 * @class Shape
 * @constructor
 * @author schteppe
 * @todo Should have a mechanism for caching bounding sphere radius instead of calculating it each time
 */
function Shape(){

    /**
     * Identifyer of the Shape.
     * @property {number} id
     */
    this.id = Shape.idCounter++;

    /**
     * The type of this shape. Must be set to an int > 0 by subclasses.
     * @property type
     * @type {Number}
     * @see Shape.types
     */
    this.type = 0;

    /**
     * The local bounding sphere radius of this shape.
     * @property {Number} boundingSphereRadius
     */
    this.boundingSphereRadius = 0;

    /**
     * Whether to produce contact forces when in contact with other bodies. Note that contacts will be generated, but they will be disabled.
     * @property {boolean} collisionResponse
     */
    this.collisionResponse = true;

    /**
     * @property {Material} material
     */
    this.material = null;
}
Shape.prototype.constructor = Shape;

/**
 * Computes the bounding sphere radius. The result is stored in the property .boundingSphereRadius
 * @method updateBoundingSphereRadius
 * @return {Number}
 */
Shape.prototype.updateBoundingSphereRadius = function(){
    throw "computeBoundingSphereRadius() not implemented for shape type "+this.type;
};

/**
 * Get the volume of this shape
 * @method volume
 * @return {Number}
 */
Shape.prototype.volume = function(){
    throw "volume() not implemented for shape type "+this.type;
};

/**
 * Calculates the inertia in the local frame for this shape.
 * @method calculateLocalInertia
 * @return {Vec3}
 * @see http://en.wikipedia.org/wiki/List_of_moments_of_inertia
 */
Shape.prototype.calculateLocalInertia = function(mass,target){
    throw "calculateLocalInertia() not implemented for shape type "+this.type;
};

Shape.idCounter = 0;

/**
 * The available shape types.
 * @static
 * @property types
 * @type {Object}
 */
Shape.types = {
    SPHERE:1,
    PLANE:2,
    BOX:4,
    COMPOUND:8,
    CONVEXPOLYHEDRON:16,
    HEIGHTFIELD:32,
    PARTICLE:64,
    CYLINDER:128,
    TRIMESH:256
};